Do you have any USB Thumbdrives attached to the system when you start the upgrade process? If so remove them and see if it helps solve the issue.

~Alex~ .:Forum Moderator:..:Guinea Pig for Testing:.I do not accept support questions via EMail, PM, IM or my Spaces page! .This is what happens when an unstoppable force meets an immovable object.All your posts are belong to NeoSmart!!

Have you tried to disable BitLocker? Do you have BitLocker on for any part of your internal drives?

~Alex~ .:Forum Moderator:..:Guinea Pig for Testing:.I do not accept support questions via EMail, PM, IM or my Spaces page! .This is what happens when an unstoppable force meets an immovable object.All your posts are belong to NeoSmart!!